package com.ow.framework.controller.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.ow.framework.common.Constant;

public class AuthorityFilter implements Filter  {

	 
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	 
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)arg0;
		int ii = request.getRequestURL().indexOf("index")+ request.getRequestURL().indexOf("img");
		
		Object obj = request.getSession(true).getAttribute(Constant.S_USER_LOGIN_ACCOUNT);
		if(obj==null&&ii <0){
			HttpServletResponse  response =(HttpServletResponse)arg1;
			String redirctUrl = request.getContextPath()+"/index.jsp";
			response.sendRedirect(redirctUrl);
		}else{
			arg2.doFilter(arg0, arg1);
		}
		
	}

	 
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}

}
